Home / 20,205.60-30,311.60-6,162.41

Finding the Fourth Proportional to 20,205.60, 30,311.60 and 6,162.41

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Solution

The fourth proportional to 20,205.60, 30,311.60 and 6,162.41 is: 9,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.60 : 30,311.60 = 6,162.41 : x
  2. Step 2: Convert to fraction form
    20,205.60/30,311.60 = 6,162.41/x
  3. Step 3: Cross multiply
    20,205.60x = 30,311.60 × 6,162.41
  4. Step 4: Simplify right side
    20,205.60x = 186,792,324.59
  5. Step 5: Solve for x
    x = 186,792,324.59/20,205.60
  6. Step 6: Final answer
    x = 9,244.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.